What’s Vulnerable › Vulnerabilities

CVE-2026-19650: Cross-Site Request Forgery (CSRF) in GitLab

• Severity: high (CVSS 7.1 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-08-17 · updated 2026-09-02
• Weakness: CWE-352

Description

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 18.2 before 18.11.11, 19.0 before 19.0.8, 19.1 before 19.1.6, and 19.2 before 19.2.4 that under certain conditions could have allowed an unauthenticated user to execute mutations via GET requests due to improper request validation in GraphQL multiplex query handling.

Affected products

• GitLab: from 18.2.0 before 18.11.11; from 19.0.0 before 19.0.8; from 19.1.0 before 19.1.6; from 19.2.0 before 19.2.4 — fixed in 18.11.11, 19.0.8, 19.1.6, 19.2.4

How to fix

Upgrade to a fixed version: GitLab 18.11.11, 19.0.8, 19.1.6, 19.2.4. Check the vendor advisory for mitigations.

References

• https://docs.gitlab.com/releases/patches/patch-release-gitlab-19-2-4-released/
• https://gitlab.com/gitlab-org/gitlab/-/work_items/612617
• https://hackerone.com/reports/3903669

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